martin
/
GodotComponentTest
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use instancing for HexTile3D rendering.

WorldChunkRefactoring
Martin Felis 2023-08-28 14:03:02 +02:00
parent 36306b9e01
commit 53b1f7f414
4 changed files with 60 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
scenes/Game.tscn
View File

@ -70,7 +70,6 @@ align = 2
anims/FlashLabel = SubResource( 25 )
[node name="DebugContainer" type="PanelContainer" parent="."]
visible = false
self_modulate = Color( 1, 1, 1, 0.443137 )
anchor_left = 1.0
anchor_top = 1.0

1
scenes/HexTile3D.tscn
View File

@ -23,6 +23,7 @@ script = ExtResource( 1 )
[node name="Mesh" type="MeshInstance" parent="." groups=["GameGeometry"]]
transform = Transform( -4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, -2.5, 0 )
visible = false
mesh = ExtResource( 3 )
material/0 = ExtResource( 2 )

57
scenes/StreamContainer.cs
View File

@ -7,11 +7,15 @@ using GoDotLog;
public class StreamContainer : Spatial
{
// readonly variables
private readonly Transform _deactivatedTileTransform = new Transform(Basis.Identity, Vector3.Up * 1000);
// scene nodes
private MeshInstance _bounds;
private Spatial _activeTiles;
private Queue<HexTile3D> _unusedTiles;
private TileWorld _tileWorld;
private MultiMeshInstance _tileMultiMesh;
// resources
private PackedScene _hexTileScene = GD.Load<PackedScene>("res://scenes/HexTile3D.tscn");
@ -27,12 +31,12 @@ public class StreamContainer : Spatial
delegate void TileHovered(HexTile3D tile3d);
// other members
private Rect2 _worldRect;
private Rect2 _currentOffsetCoordRect;
private Rect2 _oldOffsetCoordRect;
private HexGrid _hexGrid;
private Dictionary<Vector2, HexTile3D> _coordToTile = new Dictionary<Vector2, HexTile3D>();
private Dictionary<Vector2, HexTile3D> _coordToTile = new();
private Dictionary<HexTile3D, int> _tileToInstanceIndex = new();
public List<Vector2> RemovedCoords = new List<Vector2>();
public List<Vector2> AddedCoords = new List<Vector2>();
@ -52,6 +56,14 @@ public class StreamContainer : Spatial
_unusedTiles = new Queue<HexTile3D>();
_bounds = GetNode<MeshInstance>("Bounds");
_activeTiles = GetNode<Spatial>("ActiveTiles");
_tileMultiMesh = GetNode<MultiMeshInstance>("TileMultiMesh");
_tileMultiMesh.Multimesh.InstanceCount = (int)((Dimensions.x + 5) * (Dimensions.y + 5));
_tileMultiMesh.Multimesh.InstanceCount = 1810;
foreach (int i in Enumerable.Range(0, _tileMultiMesh.Multimesh.InstanceCount))
{
_tileMultiMesh.Multimesh.SetInstanceTransform(i, _deactivatedTileTransform);
}
_hexGrid = new HexGrid();
@ -69,8 +81,7 @@ public class StreamContainer : Spatial
Vector2 bottomLeftCoord = centerPlane - new Vector2(Dimensions.x / 2, Dimensions.y / 2);
Vector2 topRightCoord = centerPlane + new Vector2(Dimensions.x / 2, Dimensions.y / 2);
_worldRect = new Rect2(bottomLeftCoord, Dimensions);
// GD.Print("World rect now: " + _worldRect.ToString() + " center: " + _worldRect.GetCenter());
// y axis needs to be inverted as HexGrid's offset coordinates use the opposite axis direction
@ -78,6 +89,10 @@ public class StreamContainer : Spatial
HexCell topRightCell = _hexGrid.GetHexAt(new Vector2(topRightCoord.x, bottomLeftCoord.y));
_currentOffsetCoordRect = new Rect2(bottomLeftCell.OffsetCoords,
topRightCell.OffsetCoords - bottomLeftCell.OffsetCoords + Vector2.One);
// Vector2 centerOffset = _hexGrid.GetHexAt(centerPlane).OffsetCoords;
// _currentOffsetCoordRect = new Rect2(centerOffset + new Vector2(-Dimensions.x / 2, -Dimensions.y / 2),
// Dimensions);
// GD.Print("Offset rect now: " + _currentOffsetCoordRect.ToString() + " center: " +
// _currentOffsetCoordRect.GetCenter());
@ -140,10 +155,8 @@ public class StreamContainer : Spatial
if (isInOld && !isInCurrent && _coordToTile.Keys.Contains(coord))
{
HexTile3D tile3D = _coordToTile[coord];
tile3D.Type = HexTile3D.TileType.Undefined;
_unusedTiles.Enqueue(tile3D);
_coordToTile.Remove(coord);
RemovedCoords.Add(coord);
OnTileDeactivate(tile3D, coord);
}
}
}
@ -178,6 +191,8 @@ public class StreamContainer : Spatial
tileTransform.origin.y = _tileWorld.GetHeightAtOffset(coord);
tile3D.Transform = tileTransform;
OnTileActivate(tile3D);
_coordToTile[coord] = tile3D;
}
}
@ -205,10 +220,14 @@ public class StreamContainer : Spatial
tileTransform.origin.y = _tileWorld.GetHeightAtOffset(offsetCoords);
tile3D.Transform = tileTransform;
tile3D.Type = _tileWorld.GetTileTypeAtOffset(offsetCoords);
_tileToInstanceIndex[tile3D] = _tileToInstanceIndex.Count;
_coordToTile[offsetCoords] = tile3D;
}
OnTileActivate(_coordToTile[offsetCoords]);
return _coordToTile[offsetCoords];
}
@ -231,6 +250,26 @@ public class StreamContainer : Spatial
}
}
public void OnTileActivate(HexTile3D tile3D)
{
int instanceIndex = _tileToInstanceIndex[tile3D];
Transform instanceTransform = new Transform(tile3D.GlobalTransform.basis.Rotated(Vector3.Up, Mathf.Deg2Rad(30)), tile3D.GlobalTransform.origin + Vector3.Up * -2.5f);
_tileMultiMesh.Multimesh.SetInstanceTransform(instanceIndex, instanceTransform);
}
public void OnTileDeactivate(HexTile3D tile3D, Vector2 coord)
{
int instanceIndex = _tileToInstanceIndex[tile3D];
_tileMultiMesh.Multimesh.SetInstanceTransform(instanceIndex, _deactivatedTileTransform);
tile3D.Type = HexTile3D.TileType.Undefined;
_unusedTiles.Enqueue(tile3D);
_coordToTile.Remove(coord);
RemovedCoords.Add(coord);
}
public void OnTileClicked(HexTile3D tile)
{
EmitSignal("TileClicked", tile);
@ -254,6 +293,8 @@ public class StreamContainer : Spatial
Transform tileTransform = tile.GlobalTransform;
tileTransform.origin.y = _tileWorld.GetHeightAtOffset(tile.OffsetCoords);
tile.GlobalTransform = tileTransform;
OnTileActivate(tile);
}
}
}

11
scenes/StreamContainer.tscn
View File

@ -1,6 +1,7 @@
[gd_scene load_steps=5 format=2]
[gd_scene load_steps=7 format=2]
[ext_resource path="res://scenes/StreamContainer.cs" type="Script" id=1]
[ext_resource path="res://assets/Environment/HexTileMesh.tres" type="CylinderMesh" id=2]
[sub_resource type="CubeMesh" id=1]
size = Vector3( 1, 1, 1 )
@ -12,6 +13,11 @@ albedo_color = Color( 1, 1, 1, 0.156863 )
[sub_resource type="BoxShape" id=9]
extents = Vector3( 20, 1, 20 )
[sub_resource type="MultiMesh" id=10]
color_format = 2
transform_format = 1
mesh = ExtResource( 2 )
[node name="StreamContainer" type="Spatial"]
transform = Transform( 1, 0, 0, 0, 1, 2.98023e-08, 0, -2.98023e-08, 1, 0, 0, -4.76837e-07 )
script = ExtResource( 1 )
@ -32,3 +38,6 @@ material/0 = SubResource( 2 )
[node name="CollisionShape" type="CollisionShape" parent="Area"]
transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -1, 0 )
shape = SubResource( 9 )
[node name="TileMultiMesh" type="MultiMeshInstance" parent="."]
multimesh = SubResource( 10 )